United Kingdom, June 15 -- Influencer Sophia Grace Brownlee is expecting her third child at the age of 23.

The star - who shot to fame in 2011 after she and her cousin, Rosie McClelland, sang 43-year-old rapper Nicki Minaj's Super Bass on The Ellen DeGeneres Show aged eight and five, respectively - announced the joyous news with an adorable video posted to Instagram on Sunday (14.06.26).

Sophia could be seen sitting on the grass in a garden as she showed her son River, three, and daughter Athena, 17 months, the sonogram.

The entertainer - who has never publicly identified the dad of her children - captioned the adorable upload: "We are so excited to meet you."

Sophia's clip ended by getting fans excited for a gender reveal, which is "...